The story lacks LGBTQ+ characters or explorations of non-heteronormative identities. The plot focuses entirely on the biological and geopolitical war between the Kaled and Thal factions.

Sarah Jane Smith provides professional agency and intellectual independence as a journalist. However, the narrative hierarchy remains centered on the Doctor's authority, maintaining a traditional leadership structure.

The human cast is ethnically homogeneous, but the conflict between species serves as a potent allegory for racialized genocide. This metaphorical approach provides significant thematic depth regarding identity-based struggle.

The serial critiques corrupt power structures and extremist ideologies. It challenges established hierarchies by depicting the Kaled state as inherently unstable and driven by dangerous, totalitarian purity.

Davros's reliance on a life-support chair is central to his psychological motivations. The narrative uses his physical condition to drive his villainous agency rather than relying on tropes.